Link PVC volume mode and access mode sections to corresponding sections in PV

Author: verult

content/en/docs/concepts/storage/persistent-volumes.md

@@ -540,11 +540,11 @@ spec:
 
 ### Access Modes
 
-Claims use the same conventions as volumes when requesting storage with specific access modes.
+Claims use [the same conventions as volumes](#access-modes) when requesting storage with specific access modes.
 
 ### Volume Modes
 
-Claims use the same convention as volumes to indicate the consumption of the volume as either a filesystem or block device.
+Claims use [the same convention as volumes](#volume-mode) to indicate the consumption of the volume as either a filesystem or block device.
 
 ### Resources